Issues with Poor Mobile Phone Reception at Your Home or Office?
Starting from $2,395, we can solve this for you!
Not only do we take pride in providing our customers with outstanding service, but our team also aims to supply the best products for the job. This is why we use Cel-fi, Australia’s leading brand of Mobile Phone Boosters. All Cel-Fi products are carrier approved by Telstra, Optus and Vodafone. The Jim’s Antennas team is also the preferred installer and platinum partner for Powertec, Australia’s number one wholesaler and retailer of Mobile Phone Boosters.
If you’re experiencing reception issues, don’t fear, our range of signal boosting devices will maximise your coverage – giving you a clearer voice quality and more consistent data performance in more places.
Where Can You Install a Mobile Booster?

Home

Buildings

Vehicles

Outdoors
Comprehensive Service Included in the Quote • No Hidden Costs
What are Your Options?
Trust it to Jim's
Here at Jim’s Antennas our team is highly trained, experienced and licensed in installing Mobile Signal repeaters. Using your address we can provide the signal path profile to the best tower location, mounting height & angle. With this, we can usually identify issues in receiving signal and communicate to you the likelihood of Cel Fi Booster working. Assuming we identify an appropriate signal path, we will then inspect your property and design a solution by selecting the best antenna (indoor and outdoor) for your circumstances. A formal written quotation is provided for approval before work commences. Once you give us the go ahead, installation and commissioning is generally completed in a single day. Cel-Fi Go Phone Boosting solutions start from $2395, including supply and installation. This can increase for scenarios where non-standard hardware is required or for more complex installations (ie. double storey homes). This cost considers both the expense of acquiring the product as well as the installation fee.
Cheaper Options
Only a select few mobile phone boosters are approved for use in Australia. This is because some unapproved boosters interfere with the mobile network. Although it could improve your signal, it could make those around you worse off by degrading their signal.
At Jim’s Antennas, we only supply the Cel-Fi Go Phone Boosting solutions, which are one of the only approved boosters (repeaters) in Australia. Purchasing other, potentially cheaper boosters from sites such as eBay could potentially cause you to be fined heavily if caught as they are not approved for the Australian Market. You can fined up to $255,000 or jailed for two years by the Australian Communications and Media Authority (ACMA) as they have the ability to take offenders to court for installing illegal boosters. It is also easy for Telstra to pinpoint illegal boosters as it can be detected through interruptions of phone and internet signals hijacked by illegal use of mobile repeaters.
To find more information about exempt repeaters in Australia, click here.
DIY
While there are DIY mobile boosters are available, many of these rely on indoor antennas which will not deliver the same standard of results as our range of Cell-Fi Go boosters. Jim’s have access to tools that allow us to calculate the optimal path profile, including the required mounting angle and height of the antenna. We also have the experience to ensure that both the indoor and outdoor antennas are installed correctly for optimal performance and can guarantee a long lasting and effective solution.
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Frequently Asked Questions
What is a mobile phone booster?
A mobile phone booster (or signal booster) is a device that amplifies weak mobile signals to improve call quality, data speeds, and coverage in areas with poor reception.
How does a mobile phone booster work?
A booster consists of three main components:
- External Antenna: Captures the weak signal from the nearest mobile tower.
- Amplifier: Boosts the captured signal.
Internal Antenna: Rebroadcasts the amplified signal inside your home, office, warehouse, basement carpark, or vehicle.
Are mobile phone boosters legal in Australia?
Yes, but only boosters approved by the Australian Communications and Media Authority (ACMA) are legal. They must be carrier-specific and registered with Telstra, Optus, or Vodafone, as required.
Can I use the same booster for Telstra, Optus, and Vodafone?
Some boosters are carrier-specific, while others support multiple carriers. Check the frequency bands your booster supports and ensure they match the bands used by your carrier(s).
What are the benefits of using a mobile phone booster?
- Improved voice call quality.
- Faster mobile data speeds (4G/5G).
- Extended coverage in rural, remote, or indoor areas.
- Reduced dropped calls and connection interruptions.
How do I choose a booster for my carrier?
- Telstra: Ensure the booster supports Telstra’s frequencies, such as 700MHz, 850MHz, 1800MHz, or 2100MHz.
- Optus: Look for boosters that work on 700MHz, 1800MHz, or 2100MHz bands.
- Vodafone: Check compatibility with 850MHz, 900MHz, or 2100MHz frequencies.
- Confirm with your carrier to ensure compatibility.
Where should I install the booster’s external antenna?
- Place the external antenna on the roof or an elevated position for the strongest signal reception.
- Ensure it is directed toward the nearest mobile tower.
What is the difference between a mobile phone booster and a repeater?
- Booster: Amplifies weak signals and rebroadcasts them, typically carrier-authorized.
- Repeater: Similar function but may not always meet carrier-specific requirements. Non-authorized repeaters can cause interference and are illegal in Australia.
How much do mobile phone boosters cost?
Prices start from $2,395, depending on the coverage area, supported frequencies, and quality of the device.
Can I install a mobile phone booster myself?
Professional installation is advised.
Do mobile phone boosters support 5G?
Some newer boosters are compatible with 5G networks. Check the specifications to ensure the booster supports 5G frequencies used by your carrier.
Will a booster improve signal strength everywhere on my property?
Coverage depends on the booster’s power and the placement of the internal antenna. Larger properties may require multiple internal antennas or a more powerful booster.
Are mobile phone boosters safe?
Yes, boosters emit low levels of electromagnetic radiation and are regulated by the ACMA to ensure they meet safety standards.
Can a booster work in a car or vehicle?
Yes, vehicle-specific boosters are available. They are designed to improve signal strength on the go, especially in rural or remote areas.
What are the limitations of mobile phone boosters?
- Boosters require at least a minimal existing signal to amplify.
- They may not work in areas with no reception at all.
- Incorrect installation can lead to limited effectiveness.
Can I use a booster for multiple devices?
Yes, most boosters amplify signals for all compatible devices within their coverage area, regardless of brand or model.
How do I register my booster with a carrier?
Some carriers, like Telstra, require you to register your booster online or via customer support to ensure compliance with network regulations.
Do I need a license to use a booster?
No license is needed if you use an ACMA-approved and carrier-authorized booster.
How do I know if I need a booster?
Consider a booster if you experience:
- Frequent dropped calls.
- Slow mobile data speeds.
- Poor reception indoors or in remote areas.
Leave Poor Phone Reception Behind
Contact our team at Jim’s Antennas for fast, friendly and reliable service throughout Australia. Call today on 131 546 or click the button below for a free, no obligation quote.



